diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c index c1a5f0696e85..f1d1a709ada5 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c @@ -23,6 +23,7 @@ #include <core/pci.h> #include <subdev/timer.h> +#include <subdev/vfn.h> #include <engine/sec2.h> #include <nvfw/fw.h> @@ -32,6 +33,7 @@ #include <nvrm/535.54.03/common/sdk/nvidia/inc/class/cl0080.h> #include <nvrm/535.54.03/common/sdk/nvidia/inc/class/cl2080.h> #include <nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080gpu.h> +#include <nvrm/535.54.03/common/sdk/nvidia/inc/ctrl/ctrl2080/ctrl2080internal.h> #include <nvrm/535.54.03/common/shared/msgq/inc/msgq/msgq_priv.h> #include <nvrm/535.54.03/common/uproc/os/common/include/libos_init_args.h> #include <nvrm/535.54.03/nvidia/arch/nvalloc/common/inc/gsp/gsp_fw_sr_meta.h> @@ -43,6 +45,7 @@ #include <nvrm/535.54.03/nvidia/inc/kernel/gpu/gsp/gsp_fw_heap.h> #include <nvrm/535.54.03/nvidia/inc/kernel/gpu/gsp/gsp_init_args.h> #include <nvrm/535.54.03/nvidia/inc/kernel/gpu/gsp/gsp_static_config.h> +#include <nvrm/535.54.03/nvidia/inc/kernel/gpu/intr/engine_idx.h> #include <nvrm/535.54.03/nvidia/kernel/inc/vgpu/rpc_global_enums.h> #include <linux/acpi.h> @@ -689,6 +692,97 @@ r535_gsp_rm = { .device_dtor = r535_gsp_device_dtor, }; +static void +r535_gsp_msgq_work(struct work_struct *work) +{ + struct nvkm_gsp *gsp = container_of(work, typeof(*gsp), msgq.work); + + mutex_lock(&gsp->cmdq.mutex); + if (*gsp->msgq.rptr != *gsp->msgq.wptr) + r535_gsp_msg_recv(gsp, 0, 0); + mutex_unlock(&gsp->cmdq.mutex); +} + +static irqreturn_t +r535_gsp_intr(struct nvkm_inth *inth) +{ + struct nvkm_gsp *gsp = container_of(inth, typeof(*gsp), subdev.inth); + struct nvkm_subdev *subdev = &gsp->subdev; + u32 intr = nvkm_falcon_rd32(&gsp->falcon, 0x0008); + u32 inte = nvkm_falcon_rd32(&gsp->falcon, gsp->falcon.func->addr2 + + gsp->falcon.func->riscv_irqmask); + u32 stat = intr & inte; + + if (!stat) { + nvkm_debug(subdev, "inte %08x %08x\n", intr, inte); + return IRQ_NONE; + } + + if (stat & 0x00000040) { + nvkm_falcon_wr32(&gsp->falcon, 0x004, 0x00000040); + schedule_work(&gsp->msgq.work); + stat &= ~0x00000040; + } + + if (stat) { + nvkm_error(subdev, "intr %08x\n", stat); + nvkm_falcon_wr32(&gsp->falcon, 0x014, stat); + nvkm_falcon_wr32(&gsp->falcon, 0x004, stat); + } + + nvkm_falcon_intr_retrigger(&gsp->falcon); + return IRQ_HANDLED; +} + +static int +r535_gsp_intr_get_table(struct nvkm_gsp *gsp) +{ + NV2080_CTRL_INTERNAL_INTR_GET_KERNEL_TABLE_PARAMS *ctrl; + int ret = 0; + + ctrl = nvkm_gsp_rm_ctrl_get(&gsp->internal.device.subdevice, + NV2080_CTRL_CMD_INTERNAL_INTR_GET_KERNEL_TABLE, sizeof(*ctrl)); + if (IS_ERR(ctrl)) + return PTR_ERR(ctrl); + + ctrl = nvkm_gsp_rm_ctrl_push(&gsp->internal.device.subdevice, ctrl, sizeof(*ctrl)); + if (WARN_ON(IS_ERR(ctrl))) + return PTR_ERR(ctrl); + + for (unsigned i = 0; i < ctrl->tableLen; i++) { + enum nvkm_subdev_type type; + int inst; + + nvkm_debug(&gsp->subdev, + "%2d: engineIdx %3d pmcIntrMask %08x stall %08x nonStall %08x\n", i, + ctrl->table[i].engineIdx, ctrl->table[i].pmcIntrMask, + ctrl->table[i].vectorStall, ctrl->table[i].vectorNonStall); + + switch (ctrl->table[i].engineIdx) { + case MC_ENGINE_IDX_GSP: + type = NVKM_SUBDEV_GSP; + inst = 0; + break; + default: + continue; + } + + if (WARN_ON(gsp->intr_nr == ARRAY_SIZE(gsp->intr))) { + ret = -ENOSPC; + break; + } + + gsp->intr[gsp->intr_nr].type = type; + gsp->intr[gsp->intr_nr].inst = inst; + gsp->intr[gsp->intr_nr].stall = ctrl->table[i].vectorStall; + gsp->intr[gsp->intr_nr].nonstall = ctrl->table[i].vectorNonStall; + gsp->intr_nr++; + } + + nvkm_gsp_rm_ctrl_done(&gsp->internal.device.subdevice, ctrl); + return ret; +} + static int r535_gsp_rpc_get_gsp_static_info(struct nvkm_gsp *gsp) { @@ -718,12 +812,30 @@ r535_gsp_rpc_get_gsp_static_info(struct nvkm_gsp *gsp) static int r535_gsp_postinit(struct nvkm_gsp *gsp) { + struct nvkm_device *device = gsp->subdev.device; int ret; ret = r535_gsp_rpc_get_gsp_static_info(gsp); if (WARN_ON(ret)) return ret; + INIT_WORK(&gsp->msgq.work, r535_gsp_msgq_work); + + ret = r535_gsp_intr_get_table(gsp); + if (WARN_ON(ret)) + return ret; + + ret = nvkm_gsp_intr_stall(gsp, gsp->subdev.type, gsp->subdev.inst); + if (WARN_ON(ret < 0)) + return ret; + + ret = nvkm_inth_add(&device->vfn->intr, ret, NVKM_INTR_PRIO_NORMAL, &gsp->subdev, + r535_gsp_intr, &gsp->subdev.inth); + if (WARN_ON(ret)) + return ret; + + nvkm_inth_allow(&gsp->subdev.inth); + nvkm_wr32(device, 0x110004, 0x00000040); return ret; } |